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52302 (1991 RL8)
Classification: Main-belt Asteroid          SPK-ID: 2052302
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915707263077934 1.4712e-07  
a 2.295892394408404 1.2049e-08 AU
q 1.856066620887047 3.3514e-07 AU
i 7.376647994234438 9.8538e-06 deg
node 21.44133018068503 3.764e-05 deg
peri 338.0457051568195 4.1652e-05 deg
M 246.7602622170951 2.3085e-05 deg
tp 2457400.188888792333
(2016-Jan-12.68888879)
8.3009e-05 JED
period 1270.649356686888
3.48
1.0003e-05
2.739e-08
d
yr
n .2833197042956603 2.2304e-09 deg/d
Q 2.735718167929761 1.4358e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      8321 days (22.78 yr)  
   first obs. used      1991-09-12  
   last obs. used      2014-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59967  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:28:19  

Additional Information
 Earth MOID = .855677 AU 
 T_jup = 3.559 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO257213  

52302 (1991 RL8)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RL8 = 1998 SF5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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